Here is an easy way to make your own toy rowing boat. A very simple mechanical structure powered by a DC motor and two batteries are shown to make the rowing boat. It really can float and run on water.

Step 1: Step-by-Step Video Instruction:

Step 2: Components/Part Necessary:

1> 1-inch thick Thermocol / Styrofoam
2> 00 sand paper
3> Card board
4> One 3V DC motor
5> One small switch
6> One pulley for the motor
7> Rubber band
8> One big plastic pulley, or you can make your own as shown in the video
9> Iron wires,
10> AAA battery holder.
11> Two AA battery
12> Tools like knife, pliers, soldering iron, aluminum sheet to make clamps and plastic sheet to make the row fins.